"The dual color (red/white) versions of our popular "X-Beam" side-entry LED replacement bulb offer the flexibility to quickly change from red to warm white, or blue to cool white illumination(and vice-versa).
"Dual Color LED Replacement Bulb, Red/Warm White, 10-30VDC (1.6W), G4 Socket
ILSPG4-09BC
"X-Beam" Dual Color LED Replacement Bulb, Blue/Cool White, 10-30VDC (1.6W), G4 Socket
"X-Beam" Dual Color LED Replacement Bulb, Blue/Cool White, 10-30VDC (1.6W), G4 Socket